1. Anttila, Arto, and Adams Bodomo. 2000. Tonal polarity in Dagaare. In Trends in African linguistics 4: Advances in African linguistics, eds. Vicki Carstens and Frederick Parkinson, 119–134. Trenton, NJ: Africa World Press.
2. Beckman, Jill N. 1998. Positional faithfulness. PhD diss., University of Massachusetts, Amherst.
3. Bermúdez-Otero, Ricardo. 2017. Stratal phonology, 1st edn. In The Routledge handbook of phonological theory, eds. S. J. Hannahs and Anna R. K. Bosch, 100–134. London: Routledge.
4. Boersma, Paul, and David Weenink. 2022. Praat: Doing phonetics by computer. http://www.praat.org/.
5. Breteler, Jeroen. 2017. Deriving bounded tone with layered feet in Harmonic Serialism: The case of Saghala. Glossa 2(1): 57. https://doi.org/10.5334/gjgl.89.